Jack-adjuster.



No. 683,68l. Patented Out. I, I901.

J. DAWSON.

JACK ADJUSTER.

(Application filed Apr. 23,, 1901.)

(No Mudel.)

WITNESS INVENTOR UNITED STATES PATENT OFFICE.

JAMES DAlVSON, OF WALTHAM, MASSACHUSETTS.

JACK-ADJUSTER.

SPECIFICATION forming part of Letters Patent No. 683,681, dated October 1, 1901.

Application filed April 27, 1901.

10 art to which it appertains to make and use the same.

This invention relates to devices for adj usting the connection between the harnesstreadle and the jack in a loom; and it con- 15 sists of a metallic adjusting device constructed as hereinafter fully described and claimed.

In the drawings, Figure 1 is a side view of the jack-adjuster. Fig. 2 is a plan View of the same.

A is a flat bar of metal provided with a hook B at one end for engaging with the jack. C represents inclined projections at the other end of the bar, arranged on the same side of it as the hook B and projecting toward the Serial No. 57,717. (No model.)

said hook. The treadle is placed in engagement with either of the projections C, according to the adjustment required.

This metallic adjuster is intended to take the place of the leather strap or jack-strap now commonly used to connect the harnesstreadle with the jack.

What I claim is An adjusting device for a loom-harness formed of a single piece of metal and comprising a flat bar A of greater width than depth, a hook at one end thereof which is bent over the said bar A, and aseries of proj ections O at the other end thereof projecting above the upper surface of the said bar and inclined toward the said hook, substantially as set forth.

' In testimony whereof I affix my signature in presence of two witnesses.

JAMES DAWSON. Witnesses:

ALICE J. MURRAY, FREDERICK K. DAGGETT; 

